The strength of many metals depends on the size of the grains. Testing specimens with different...

 

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The strength of many metals depends on the size of the grains. Testing specimens with different grain sizes yields a discrete set of numbers (D- average grain diameter, By- yield strength) as shown in the following table. D (mm) 01.04 .1 B 2 350 300 270 240 8 .9 210 190 180 170 Perform the linear curve fitting (B, -aD+b) to the above data: .95 155 The strength of many metals depends on the size of the grains. Testing specimens with different grain sizes yields a discrete set of numbers (D- average grain diameter, By- yield strength) as shown in the following table. D (mm) 01.04 .1 B 2 350 300 270 240 8 .9 210 190 180 170 Perform the linear curve fitting (B, -aD+b) to the above data: .95 155 The strength of many metals depends on the size of the grains. Testing specimens with different grain sizes yields a discrete set of numbers (D- average grain diameter, By- yield strength) as shown in the following table. D (mm) 01.04 .1 B 2 350 300 270 240 8 .9 210 190 180 170 Perform the linear curve fitting (B, -aD+b) to the above data: .95 155 The strength of many metals depends on the size of the grains. Testing specimens with different grain sizes yields a discrete set of numbers (D- average grain diameter, By- yield strength) as shown in the following table. D (mm) 01.04 .1 B 2 350 300 270 240 8 .9 210 190 180 170 Perform the linear curve fitting (B, -aD+b) to the above data: .95 155

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